Journal ArticleDOI
A gait analysis data collection and reduction technique
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TLDR
The gait analysis laboratory provides quantified assessments of human locomotion which assist in the orthopaedic management of various pediatric gait pathologies by utilizing a video-based data collection strategy similar to commercially available systems for motion data collection.About:
This article is published in Human Movement Science.The article was published on 1991-10-01. It has received 2684 citations till now. The article focuses on the topics: Gait (human) & Gait analysis.read more
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Role of subject-specific musculoskeletal loading on the prediction of bone density distribution in the proximal femur
Ali Vahdati,S. Walscharts,Ilse Jonkers,José Manuel García-Aznar,J. Vander Sloten,G.H. van Lenthe +5 more
TL;DR: The results confirm that the predicted bone density distribution in the proximal femur is drastically influenced by the inclusion of subject-specific loading, i.e. hip contact forces and muscle forces calculated based on gait analysis data and musculoskeletal modeling.
Journal ArticleDOI
Validation of net joint loads calculated by inverse dynamics in case of complex movements: application to balance recovery movements.
TL;DR: A simple method is presented to evaluate both the consistency of the results obtained by inverse dynamics and the influence of possible modifications in the inverse dynamic hypotheses, applied to complex 3D whole body movements of balance recovery.
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ISR-AIWALKER: Robotic Walker for Intuitive and Safe Mobility Assistance and Gait Analysis
TL;DR: A novel multimodal robotic walker platform, the ISR-AIWALKER, where innovative contributions were made both in the human–machine interface (HMI) and in a gait analysis system placed on board the platform.
Journal ArticleDOI
Contributions of Muscles to Terminal-Swing Knee Motions Vary with Walking Speed
TL;DR: Three-dimensional, muscle-driven dynamic simulations show that the contributions of muscular and velocity-related forces to terminal-swing knee motions vary systematically with walking speed, which emphasizes the need for speed-matched control subjects when attempting to determine the causes of a patient's abnormal gait.
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Statistical shape modelling versus linear scaling: Effects on predictions of hip joint centre location and muscle moment arms in people with hip osteoarthritis.
Jasvir S. Bahl,Ju Zhang,Bryce A. Killen,Mark Taylor,Lucian B. Solomon,Lucian B. Solomon,John B. Arnold,David Lloyd,Thor F. Besier,Dominic Thewlis +9 more
TL;DR: Shape modelling methods improved HJC location and muscle moment-arm estimates compared to linear scaling of musculoskeletal models in patients with hip osteoarthritis.
References
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Journal ArticleDOI
Measurement of lower extremity kinematics during level walking
TL;DR: The relatively small number of body surface markers used in the VICON system render it easy to implement for use in routine clinical gait evaluations and should be a useful reference for describing and comparing pathologic gait patterns.
Book
Principles of dynamics
TL;DR: In this article, the Lagrange Equations are used to model the dynamics of a rigid body and a system of parts of a particle system with respect to the velocity of a single particle.
Journal ArticleDOI
Justification of triaxial goniometer for the measurement of joint rotation.
TL;DR: Considering all factors in joint functional evaluation, the modified triaxial goniometer is a useful and effective method to provide simple real time three-dimensional angular motion measurements.
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The anthropometry of the manual work space for the seated subject
TL;DR: This paper is an exploration of the space-geometry of hand motions as they relate to young men in the seated posture primarily in functional anthropometry, but the information derived should have practical use in improving the design of work areas.
Journal Article
Walking patterns of men with parkinsonism.
TL;DR: Interrupted-light photography was used to record the simultaneous displacement patterns of multiple body segments of 44 patients with parkinsonism during free-speed and fast walking to quantitatively characterize their gait peculiarities.